Home / 42,743.16-63,822.87-38,271.96

Finding the Fourth Proportional to 42,743.16, 63,822.87 and 38,271.96

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Solution

The fourth proportional to 42,743.16, 63,822.87 and 38,271.96 is: 57,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,743.16 : 63,822.87 = 38,271.96 : x
  2. Step 2: Convert to fraction form
    42,743.16/63,822.87 = 38,271.96/x
  3. Step 3: Cross multiply
    42,743.16x = 63,822.87 × 38,271.96
  4. Step 4: Simplify right side
    42,743.16x = 2,442,626,327.73
  5. Step 5: Solve for x
    x = 2,442,626,327.73/42,743.16
  6. Step 6: Final answer
    x = 57,146.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.